... transformer EP type magnet shielding switch transformer RM type communication filter, aux power transformer ET, FT type linearity T ( ... DR (I) type transformer T (ring) iron power core, DC filter inductor RM series: RM-4, 5, 6, 8, 10, ... transformer EPC series transformer EE series transformer Application: wave carrier filter, power transformer, aux-power transformer, switching power supplies, chargers ...